If you have a work account setup, you will need to disconnect it and delete the files under C:\Users\[USER NAME]\AppData\Local\Cisco\Cisco AnyConnect Secure Mobility Client\*.*Reboot and try the VPN client without reconnecting the work account. Remov...
Delete all files and folders under...C:\Users\[USER NAME]\AppData\Local\Cisco\Cisco AnyConnect Secure Mobility Client\*.*The VPN client will now prompt for credentials